FM-4850 Operator’s Manual
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Aground Signal
8.2 Hailer
The Hailer feature allows you to make an announcement at a high volume to people
using a hailer and listen to the response from the hailer.
Step 1 On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2 Go to "FOG/HAILER/IC > HAILER".
The "HAILER" page appears on the screen.
You can adjust the listening volume of each handset separately.
Step 3 Press and hold the PTT key to talk.